package com.dao.firestar;

/*

 * -----------------------------------------------------------------

 * Copyright (C) 2018-2021, by your company, All rights reserved.

 * -----------------------------------------------------------------

 *

 * File: Calculator.java

 * Author: lixiaowei6

 * Email: lixiaowei6@jd.com

 * Version: V100R001C01

 * Create: 2018/4/28 13:58

 *

 * Changes (from 2018/4/28)

 * -----------------------------------------------------------------

 * 2018/4/28 : Create Calculator.java (lixiaowei6);

 * -----------------------------------------------------------------

 */public class Calculator {

    public double sum(double a, double b) {
        return a + b;
    }

    public double substract(double a, double b) {
        return 0;
    }

    public double divide(double a, double b) {
        return 0;
    }

    public double multiply(double a, double b) {
        return 0;
    }
}